1998 S/N 21329 - Walker Mowers

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General Information SERVICING OF ENGINE AND DRIVETRAIN COMPONENTS Serial Number Tractor Serial Number Location Serial Number The detailed servicing and repair of the engine, hydrostatic transmission, and gearboxes are not covered in this manual. Only routine maintenance and general service instructions are provided. For the service of these components during the limited warranty period, it is important to find a local, authorized servicing agent of the component manufacturer. Any unauthorized work done on these components during the warranty period may void the warranty. If you have any difficulty finding an authorized outlet or obtaining warranty service, please contact our Service Department for assistance: <strong>Walker</strong> Manufacturing Company 5925 E. Harmony Road Fort Collins, CO 80528 1-970-221-5614 Service manuals are available for each of these components from their respective manufacturers as follows: Kohler Engines Kohler Company Kohler, WI 53044 Mower Deck Serial Number Location ENGINE SERIAL NUMBER LOCATION Refer to the engine manual that accompanies this manual for the location of the engine serial number. For the mower model covered by this manual, an engine manual is available covering the Kohler CH20 and CH25 gasoline engines. Hydrostatic Eaton Corporation Transmissions 15151 Highway 5 Eden Prairie, MN 55344 Gearboxes (Deck) Tecumseh Products Co. 900 North Street Grafton, Wl 53024 Serial Number Engine Serial Number Location 2
Specifications MODEL MT 20.0 HP MT 25.0 HP ENGINE Manufacturer/Model Kohler CH20, 2 Cyl., Gasoline (Air Cooled) Kohler CH25, 2 Cyl., Gasoline (Air Cooled) Displacement 38.1 cu. in. (624 cc) 44.0 cu. in. (725 cc) HP (@ 3600 RPM) 20.0 25.0 Max. RPM (No Load) 3750 3750 Governed RPM 3600 3600 Max. Torque [ft-lb (N⋅m) @ RPM] 32 (43.4) @ 2500 39.5 (53.6) @ 2400 Idle RPM 1200 ± 75 1200 ± 75 Spark Plug Type Champion ® RC12YC Champion ® RC12YC Spark Plug Gap .030 in. (.76 mm) .030 in. (.76 mm) Crankcase Capacity 2.1 qts (2.0 liters) 2.1 qts (2.0 liters) Crankcase Lubricant API SF, SG, or SH Grade Oil Only with 10W-30 Viscosity above 0° F (-18° C), or 5W-20 or 5W-30 Viscosity below 32° F (0° C) API SF, SG, or SH Grade Oil Only with 10W-30 Viscosity above 0° F (-18° C), or 5W-20 or 5W-30 Viscosity below 32° F (0° C) Fuel Tank Capacity 4.3 Gallons (16.3 liters) 4.3 Gallons (16.3 liters) Fuel Regular Grade Unleaded Gasoline (87 Octane) Cooling System Capacity Air Cooled Air Cooled Regular Grade Unleaded Gasoline (87 Octane) ELECTRICAL SYSTEM Battery 12 Volt, 35AH, 295 CCA 12 Volt, 35AH, 295 CCA Charging System Flywheel Alternator Flywheel Alternator Charging Output 15 Amp DC (Regulated) 15 Amp DC (Regulated) System Polarity Negative Ground Negative Ground Ignition Electronic Capacitive Discharge Electronic Capacitive Discharge Starter Interlock Switch 12 Volt Electric Ring-Gear Type, Solenoid Shift Ignition Lockout by Seat Switch, Transmission Neutral and Blade Clutch 12 Volt Electric Ring-Gear Type, Solenoid Shift Ignition Lockout by Seat Switch, Transmission Neutral and Blade Clutch Circuit Breaker Manual Reset (30A) Manual Reset (30A) TRANSMISSION Manufacturer/Model Dual Hydrostatic, Eaton Model 7, Each Wheel Independently Driven Steering Hand Lever Control / Individual Wheel Forward Speed Control Precision Friction Lock Lever, Cruise Control, with Neutral-Park Position Dual Hydrostatic, Eaton Model 7, Each Wheel Independently Driven Hand Lever Control / Individual Wheel Precision Friction Lock Lever, Cruise Control, with Neutral-Park Position 3
Page 1 and 2: OWNER’S MANUAL Safety, Assembly,
Page 3 and 4: Table of Contents General Informati
Page 5: General Information HIGHLIGHTED INF
Page 9 and 10: Specifications MODEL MT 20.0 HP MT
Page 11 and 12: Component Identification NOTE: Cont
Page 13 and 14: Component Identification Donaldson
Page 15 and 16: Safety Instructions 6. Do not wear
Page 17 and 18: Safety Instructions 4. Perform only
Page 19 and 20: Safety Instructions SAFETY, CONTROL
Page 21 and 22: Assembly Instructions 3. After the
Page 23 and 24: Assembly Instructions NOTE: When in
Page 25 and 26: Assembly Instructions PREOPERATING
Page 27 and 28: Assembly Instructions CAUTION Do no
Page 29 and 30: Operating Instructions Steering Lev
Page 31 and 32: Operating Instructions The Forward
Page 33 and 34: Operating Instructions Hourmeter Th
Page 35 and 36: Operating Instructions IMPORTANT: M
Page 37 and 38: Operating Instructions IMPORTANT: D
Page 39 and 40: Operating Instructions RECOMMENDATI
Page 41 and 42: Operating Instructions GRASS HANDLI
Page 43 and 44: Operating Instructions Clogging Che
Page 45 and 46: Operating Instructions Dumping the
Page 47 and 48: Operating Instructions Grass Catche
Page 49 and 50: Maintenance Instructions KOHLER TIP
Page 51 and 52: Maintenance Instructions LUBRICATIO
Page 57 and 58:
Maintenance Instructions LUBRICATIO
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Maintenance Instructions CLEANING 1
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Maintenance Instructions CLEANING P
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Maintenance Instructions CLEANING N
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Maintenance Instructions CHECKING/S
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Maintenance Instructions CHECKING/S
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Maintenance Instructions REPLACING/
Page 71 and 72:
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Page 77 and 78:
Maintenance Instructions ADJUSTMENT
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Maintenance Instructions ELECTRICAL
Page 89 and 90:
Operator’s Notes 85
Page 91 and 92:
LIMITED WARRANTY FOR WALKER COMMERC
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1998 S/N 21329 - Walker Mowers

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